The new P-Rail Mount is a universal fit system designed to work with Mil Spec Picatinny Rails. Easy, affordable, tough and dependable, this mount does it all. Comes complete with locking pin to attach the mount to the rail, it adjusts in seconds to fit your needs or is removed quickly by pulling the pin and sliding the mount off. The mount is designed to accommodate many 1" barrel lights. The light snaps out of the mount to become a handheld unit in seconds.